538486960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{2381}}^1$

素因数の和:2662

約数の個数: 80

約数和(自身を含む): 1371688992

約数和(自身を除く): 833202032

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 257, 440, 514, 880, 1028, 1285, 2056, 2381, 2570, 2827, 4112, 4762, 5140, 5654, 9524, 10280, 11308, 11905, 14135, 19048, 20560, 22616, 23810, 26191, 28270, 38096, 45232, 47620, 52382, 56540, 95240, 104764, 113080, 130955, 190480, 209528, 226160, 261910, 419056, 523820, 611917, 1047640, 1223834, 2095280, 2447668, 3059585, 4895336, 6119170, 6731087, 9790672, 12238340, 13462174, 24476680, 26924348, 33655435, 48953360, 53848696, 67310870, 107697392, 134621740, 269243480, 538486960]

約数ペア:

[(1, 538486960), (2, 269243480), (4, 134621740), (5, 107697392), (8, 67310870), (10, 53848696), (11, 48953360), (16, 33655435), (20, 26924348), (22, 24476680), (40, 13462174), (44, 12238340), (55, 9790672), (80, 6731087), (88, 6119170), (110, 4895336), (176, 3059585), (220, 2447668), (257, 2095280), (440, 1223834), (514, 1047640), (880, 611917), (1028, 523820), (1285, 419056), (2056, 261910), (2381, 226160), (2570, 209528), (2827, 190480), (4112, 130955), (4762, 113080), (5140, 104764), (5654, 95240), (9524, 56540), (10280, 52382), (11308, 47620), (11905, 45232), (14135, 38096), (19048, 28270), (20560, 26191), (22616, 23810)]